10-20-2019, 02:52 PM
I have a 4 chambered pump that had similar characteristics which I believe was caused by a diaphragm failure in 1 or 2 of the chambers...it would move water but the pressure was noticeably lower and would not shut off. I opted for a new pump which fixed the issue. Next I’ll order a rebuild kit for the pump head and have a spare on the shelf. Probably not necessary to have a spare but seems like an interesting project that should be easy enough.
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